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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ui/views/event_monitor_mac.h"
#import <Cocoa/Cocoa.h>
#include "base/logging.h"
#include "ui/events/event.h"
#include "ui/events/event_handler.h"
#include "ui/events/event_utils.h"
namespace views {
// static
scoped_ptr<EventMonitor> EventMonitor::CreateApplicationMonitor(
ui::EventHandler* event_handler) {
return make_scoped_ptr(new EventMonitorMac(event_handler, nullptr));
}
// static
scoped_ptr<EventMonitor> EventMonitor::CreateWindowMonitor(
ui::EventHandler* event_handler,
gfx::NativeWindow target_window) {
return make_scoped_ptr(new EventMonitorMac(event_handler, target_window));
}
// static
gfx::Point EventMonitor::GetLastMouseLocation() {
NSPoint mouseLocation = [NSEvent mouseLocation];
// Flip coordinates to gfx (0,0 in top-left corner) using primary screen.
NSScreen* screen = [[NSScreen screens] firstObject];
mouseLocation.y = NSMaxY([screen frame]) - mouseLocation.y;
return gfx::Point(mouseLocation.x, mouseLocation.y);
}
EventMonitorMac::EventMonitorMac(ui::EventHandler* event_handler,
gfx::NativeWindow target_window) {
DCHECK(event_handler);
monitor_ = [NSEvent addLocalMonitorForEventsMatchingMask:NSAnyEventMask
handler:^NSEvent*(NSEvent* event) {
if (!target_window || [event window] == target_window) {
scoped_ptr<ui::Event> ui_event = ui::EventFromNative(event);
if (ui_event)
event_handler->OnEvent(ui_event.get());
}
return event;
}];
}
EventMonitorMac::~EventMonitorMac() {
[NSEvent removeMonitor:monitor_];
}
} // namespace views
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